Improvement in illuminating-lamps



A. w'ENscH. i fILL'UMINATING-LAMP.

Patented Fe`b.15,1876.

M". JEM,

mg. L.

N- PmRS, FMOT0-LITMOGRAPHEE, WASHINGTBN, D. C.

` joint.

, NITED STATES PATENT I0rFICE.

AUGUST WUENsoH, Aor NEW YORK, N. Y.`

lrwnffRov'ElvlENT IN ILTUMINATINGQLAMPIS.

Specification forming-part of Letters Patent No. l73,70S, dated February 15, 1876; applicationled January 27, 1876.

To all whom 'it may concern:

l Be it known that I, AUGUsT WUENsoH, ofY

the city, county, and State of New York, have lnvented da new and useful Improvement in Illuminatlon-Lamps, which improvement is Figure 1 is a vertical section of my improvement. F1g. 2 is a horizontal section, taken in the line m cc of Fig. 1. Fig. 3 is a face view of the rib-joint of the vessel, the view showing also in dotted lines the edges ot the sides of the -vessel where they are inserted in the rib- Fig. 4 isa strip of wood paper ready to be bent, soas to bring its ends into the recesses of the rib.

Similar, letters indicate corresponding parts.

`'.Dhisinvention relates to lights for the purposeof illuminating buildings; but it is applicable also to other uses Where lights can be employed.

The invention consists in a light or lamp Whose body is composed, by preference, of Wood paper or Wood pasteboard-that is to say, of paper or pasteboard produced from the bers of -wood-althon gh other kinds ot' paper or other material may be employed for the purpose.

`The paper or other material is cut into curved strips, of the required width, with straight ends, Which will `produce a vessel or lamp of-th'e proper height, and whose diameter decreases toward. its bottom. The ends or edges of the strips are secured in recesses or grooves formed in a metal-lic rib or joint, which may be of any desired form, but which I prefer to make bybending a strip ot' inetalito the shape shown in section in Fig. 2, so as to form along its edges recesses or grooves, into which the edges ofthe sides of the lamp are inserted and clamped fast. The strip of metal thus forms a joint for securing the sides of the vessel, and Ialso arib for strengthening them, and will be claimed in another application for Letters Patent for that improvement. The strip of metal extends upabove the edge ot' the lamp, and its top is perforated to form a suspension-ring, by means of which. the lamp can be suspended on a nail or hook.

The bottom ofthe lamp consists of a disk of Wood, Whose periphery is beveled so as to form the disk into an inverted frustum of a cone, the diameter of the disk and the angle of the bevel being such as Will allow it to t snugly within the sides of the lamp, as shown in the drawing. The bottom is bored in its center,

but not entirely through, so as to form a socket in which to insert the Wick.

When the lamp has been put together it is immersed in Water-glass for a few minutes, or sufficiently long to enable the paper and wood to absorb enough of the water-glass to `make them proof against burning from the temperature to which they will be exposed, and it is then taken out and hung up to dry, .and when dry itis ready for use.

The letterA designates the Wood-paper body of my lamp, and whichis shown in Fig. 4 as it appears when extended.- lIts ends are inserted into recesses or grooves B, made in the edges of a rib-joint of metal, or other material sufficiently rigid to answer the purpose. I have shown but one such rib-joint in this example; but it is evident that their number will depend on the number of parts which shall compose the body of the lamp. The rib.- joint is bent so that in its sides are formed the recesses or grooves B, into Which are'inserted the ends of the strip A, and the recesses or y l of the lamp, into which it is inserted from above, its size being such that its edges form a tight joint with the sides ofthe lamp. The bottom is provided at its center with a socket, Gr, to receive the wick of the lamp. After the lamp is completed, and before the wick is put in place, the lamp is immersed in' water-glass, as above explained, and then dried; and before the water-glass which may have adhered or lodged in the wick-socket has hardened the wick H is inserted therein, the water-glass adhering therein serving to cement the Wick in its place. The lamp is next filled with grease, tallow, lard, or other material, I, which will support combustion, and is then ready for use.

What I claim as new, and desire to secure by Letters Patent, is

l. The combination, iu a lamp, of a body composed of Wood paper or Wood pasteboard, or equivalentmaterial, a recessed rib-joint of rigid material, in Whose recesses the ends of `the body A are secured', and a wooden bottom,

F, and the Wick H, all constructed and arranged substantially as described.

2. The method of lling the joints and pores 0l' a lamp constructed of Wood and paper to render the same impervious, and at the same time cem'enting the lamp-Wick in its socket lby saturating the Whole with Water-glass, substantially as described.

In testimony that I claim the foregoing I have hereunto set my hand and seal.

AUGUST WUENSCH.

Witnesses:

W. HAUFF, E. F. KAs'JJrirUIUBlaR.` 

